Flying Free With Meade and Lee: Remembering STS-64's Untethered Spacewalk, OTD in 1994

Astronaut Carl Meade flies freely from Discovery’s payload bay, during his spacewalk with Mark Lee, on this day in 1994. Photo Credit: NASA

One hundred and twenty-three times before 16 September 1994, astronauts and cosmonauts had clambered outside their space ships and maneuvered themselves around in the harsh, unforgiving vacuum of space. They had […]

'Luxurious' Launch: Remembering the Pre-Sunset Flight of Discovery STS-64, A Quarter-Century Ago

Discovery springs away from Pad 39B at the cusp of evening, 24 years ago. Photo Credit: NASA

Almost a quarter-century ago, today, on 9 September 1994, Commander Dick Richards awoke for the most “luxurious” launch morning of his career. Having previously experienced early-hours rides into space on his three previous shuttle missions, Richards had […]

'Towering Hexagon' and Auroras: Saturn's North Polar Wonders

The already well-known hexagon at Saturn’s north pole is a massive jet stream in the atmosphere, similar to the Polar Jet Stream on Earth, but much larger. A new study shows that a “secondary” hexagon extends above this one for hundreds of miles. Photo Credit: NASA/JPL-Caltech/Space Science Institute

Saturn’s north pole is an incredibly […]

'An Evolving Process': Remembering the Shuttle's First Landing in Darkness, 35 Years Ago

Challenger alights on concrete Runway 22 at Edwards Air Force Base, Calif., in the small hours of 5 September 1983. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

Characterized by NASA as “any landing which occurs no later than 15 minutes before sunrise”, nighttime landings were among the most dramatic events in the 30-year span of […]

Closing In on Ultima Thule: New Horizons Takes First Images of Distant KBO

The first views of Ultima Thule from New Horizons. The left image is composed of 48 exposures, taken on Aug. 16, 2018. The right image is a magnified view of the area inside the yellow box in the left image. Image Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

NASA’s New Horizons spacecraft […]

'Hard to Recapture the Mood': Remembering Project Viking, First Fully Successful Mars Landing Mission (Part 2)

Image of the Martian surface from Viking 2. Photo Credit: NASA/JPL-Caltech

Heading into the homestretch of the 21st century’s second decade, we have grown accustomed to a steady output of scientific data and imagery from our robotic emissaries in orbit and upon the surface of Mars. Spacecraft from the United States, Russia, Europe and […]

'Second-Class Endeavor': Remembering Project Viking, First Fully Successful Mars Landing Mission (Part 1)

Panoramic view of the terrain in Chryse Planitia at the Viking 1 landing site. Photo Credit: NASA/JPL-Caltech

Heading into the homestretch of the 21st century’s second decade, we have grown accustomed to a steady output of scientific data and imagery from our robotic emissaries in orbit and upon the surface of Mars. Spacecraft from […]

Starliner Astronauts Visit KSC To See Spacecraft They Will Soon Fly On

The first crew who will fly Boeing’s CST-100 Starliner to space next year on ‘Crew Flight Test 1’ pose for a photo in front of their vehicle in Boeing’s Commercial Crew and Cargo Processing Facility (C3PF), as it is being processed for the mission. From left to right: NASA astronaut Eric Boe, Boeing astronaut […]

'Safing In Work': Remembering Discovery's Almost-Liftoff, On This Day a Quarter-Century Ago

After a month-long wait for launch, following a harrowing pad abort on 12 August 1993, STS-51 thunders into space on 12 September. Photo Credit: NASA

“T-minus 30 seconds…”

The words of launch commentator George Diller at the Kennedy Space Center (KSC) in Florida at 9:12 a.m. EDT on 12 August 1993—a quarter-century ago, this […]

Delta-IV Heavy Lofts NASA's Parker Solar Probe on Landmark Mission to the Sun

NASA’s Parker Solar Probe takes flight atop a United Launch Alliance (ULA) Delta IV Heavy rocket at 3:31am EDT Aug 12, 2018. Photo Credit: Alan Walters / AmericaSPace.com

NASA’s Parker Solar Probe (PSP) is on its way to the sun, after a successful launch early this morning atop a United Launch Alliance (ULA) Delta […]